Magnetic center of gravity is set with a small 1.4 inches (35 mm) body. It has high castability without compromising flight posture. Wovenroll action by roll maintains excellent straight stability even in tides. The floating model is effective not only for winding up the tada, but also for drifting while floating on the water. The sinking model has a range hold capability, so it is effective in areas with high scaffolding.